Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
wang yang » wang yan, wang liang, wang yanling
yang minh » sang minh, yang mind, kang minah
song ming » song bing, song min, gong min
zhong tai » hong tan, hong hai, zhong zhi
liang a » lang a, liang _, liang dan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang liang a gender ((yang minh) or (song ming)) zhong tai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang liang a gender ((yang minh) OR (song ming)) zhong tai ;.
• Adding a wildcard symbol may retrieve word variants: wang yang liang a gender ((yang minh) or (song ming)) zhong tai ;*.